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Finding the Fourth Proportional to 303,008.88, 418,103.28 and 182,121.24

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Solution

The fourth proportional to 303,008.88, 418,103.28 and 182,121.24 is: 251,297.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,008.88 : 418,103.28 = 182,121.24 : x
  2. Step 2: Convert to fraction form
    303,008.88/418,103.28 = 182,121.24/x
  3. Step 3: Cross multiply
    303,008.88x = 418,103.28 × 182,121.24
  4. Step 4: Simplify right side
    303,008.88x = 76,145,487,801.67
  5. Step 5: Solve for x
    x = 76,145,487,801.67/303,008.88
  6. Step 6: Final answer
    x = 251,297.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.